body>section.container {
  min-height: calc(100vh - 216px);
  padding-bottom: 1px;
}

header {
  font-size: 16px;
  line-height: 1.5;
  padding: 96px 0 128px;
  color: #fff;
  background: #000 url('../../static/img/bg/bg_web.jpg')no-repeat center/cover;
  text-align: center;
}

header h1 {
  font-size: 32px;
  font-weight: 500;
  margin: 24px 0 48px;
}

header p {
  text-align: left;
}

header .download-btn {
  display: flex;
  justify-content: center;
  margin-top: 48px;
  flex-wrap: wrap;
  text-align: center;
}

article {
  background: #fff;
  margin: 24px 0;
}

article .content {
  padding: 48px 15px;
  font-size: 14px;
  line-height: 24px;
}

.content ul,
.content p,
.content div {
  margin: 16px 0;
}

.content h1,
.content h2,
.content h3,
.content h4,
.content h5,
.content h6 {
  margin: 48px 0 16px;
  font-weight: 500;
  font-family: Gotham-Medium;
  line-height: 1.2;
}

.content h1 {
  font-size: 24px;
}

.content h2 {
  font-size: 20px;
}

.content h3 {
  font-size: 18px;
}

.content h4,
.content h5 {
  font-size: 16px;
  margin-top: 16px;
}

.logo {
  display: inline-block;
  width: 96px;
  height: 96px;
  background: #fff;
  border-radius: 50%;
  padding: 13px;
}

footer .container {
  display: block;
}

footer .float-right {
  float: right;
  width: 50%;
  text-align: left;
}

.public-chain h4 {
  font: 400 14px/16px PingFangSC;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 16px;
}

.public-chain li {
  float: left;
  width: 30%;
  font-size: 14px;
  line-height: 16px;
}

.public-chain a {
  display: inline-block;
  margin: 0 0 8px;
}

footer .copyright {
  margin-top: 32px;
}

footer .copyright a {
  margin: 8px 0;
}

footer .contact {
  margin-left: -8px;
}

@media(max-width:768px) {
  body>section {
    min-height: unset;
  }
  header {
    padding: 48px 24px;
  }
  article .content {
    padding: 24px 39px;
  }
  footer .float-right {
    float: none;
    width: 100%;
  }
  footer .contact {
    margin-top: 32px;
    margin-left: -8px;
  }
  .content h1,
  .content h2,
  .content h3,
  .content h4,
  .content h5,
  .content h6 {
    margin-top: 24px;
  }
  header .download-btn {
    display: block;
  }
}

@media(max-width:440px) {
  .public-chain li {
    width: 50%;
  }
}